15.2.3.7-6-a-116.js (619B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.7-6-a-116 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is the length 8 property of 'O', the [[Value]] field of 'desc' is absent, test 9 TypeError is thrown when updating the [[Configurable]] attribute 10 of the length property from false to true (15.4.5.1 step 3.a.i) 11 ---*/ 12 13 var arr = []; 14 assert.throws(TypeError, function() { 15 Object.defineProperties(arr, { 16 length: { 17 configurable: true 18 } 19 }); 20 }); 21 22 reportCompare(0, 0);